Senior Backend Developer (Java) - Mobile Game Platform

UserWise Services

Full-time IT & Technology
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Location
lahore, punjab, Pakistan
Posted
June 09, 2026

Job Description

About the Role

We are hiring a Senior Backend Developer to maintain and extend the backend for a live mobile game (Cocos C++ client + Java services). You will work on gameplay APIs, player data integrity, ranking systems, payments, and platform services in a high-traffic production environment.

What Success Looks Like

  • You can safely ship new game operations without breaking existing client contracts.
  • You improve reliability of account data and ranking flows under real player load.
  • You reduce incident risk in transfer/payment paths through stronger validation and observability.

What You’ll Work On

  • Build and maintain Java backend services that power core gameplay and account flows.
  • Implement and evolve request handlers behind the game protocol endpoint (/bnb/operation) using requestKey dispatching.
  • Own data consistency across MySQL + Redis, including transactional and partial-f...